1:
2:
3:
4:
5:
6:
7:
8:
9:
10:
11:
12:
13:
14:
15:
16:
17:
18:
19:
20:
21:
22:
23:
24:
25:
26:
27:
28:
29:
30:
31:
32:
33:
34:
35:
36:
37:
38:
39:
40:
41:
42:
43:
44:
45:
46:
47:
48:
49:
50:
51:

unit beepen;

interface

uses
  Windows, registry;

type
  TRegan_Beep = class
  procedure Create();
  procedure Destroy();
  procedure Free();
  private
    { Private-Deklarationen }
  public
    C,D,E,F,G,A,H:Cardinal;
    procedure TestBeep;
    { Public-Deklarationen }
  end;

implementation

procedure TRegan_Beep.Create;
begin
  inherited Create;
  C:=262;
  D:=294;
  E:=330;
  F:=349;
  G:=392;
  A:=440;
  H:=494;
end;

procedure TRegan_Beep.Destroy;
begin
  inherited Destroy;
end;

procedure TRegan_Beep.Free;
begin
    if Self <> nil then
    Destroy;
end;

procedure TRegan_Beep.TestBeep;
begin
  windows.Beep(880,100);
end;

end.					

1:
2:
3:
4:
5:
6:
7:
8:
9:
10:
11:
12:

uses 
...
beepen
...
...
  Reg1: TRegan_Beep;
...
procedure TForm1.FormCreate(Sender: TObject);
begin
Reg1.Create;
SpinEdit1.Value:=Reg1.A;
end;					

1:

Reg1 = TRegan_Beep.Create;					

1:
2:
3:
4:
5:
6:
7:
8:
9:
10:
11:
12:

type
  TRegan_Beep = class
  private
    { Private-Deklarationen }
    FC, FD, FE, FF, FG, FH: Cardinal
  public
    { Public-Deklarationen }
    constructor Create(); 
    destructor Destroy();
    procedure TestBeep;
    property C: Cardinal read FC;
  end;